The hex color #c4d15f is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#3B2EA0. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#F7FF92, and Hex
#919E2C is the 20% darker color. If the color is saturated by 10%, you get
#C7D558. If the color is desaturated by 10%, the color
#C1CD66 is obtained.